TAT_FGCOLOR
cp = tty3270_add_sa(tp, cp, TAT_FGCOLOR, TAC_GREEN);
cp = tty3270_add_sa(tp, cp, TAT_FGCOLOR, TAC_RESET);
cp = tty3270_add_sa(tp, cp, TAT_FGCOLOR, TAX_RESET);
cp = tty3270_add_sa(tp, cp, TAT_FGCOLOR, colors[attr->f_color]);